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Exploiting overconfidence: optimal contracts with heterogeneous beliefs

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  • Nikolaj Niebuhr Lambertsen

    (Aarhus University)

Abstract

This study investigates a principal–agent model with moral hazard and heterogeneous beliefs. With homogeneous beliefs, moral hazard increases the contract’s sensitivity to the outcome to ensure that the agent does not take a lower action than that chosen by the principal. With heterogeneous beliefs, side betting between the principal and agent leads to actions whereby moral hazard decreases the contract’s sensitivity to the outcome to ensure that the agent does not take a higher action than that chosen by the principal. Conditions on the primitives of the model are provided for monotonicity of the optimal contract and applicability of the first-order approach.

Suggested Citation

  • Nikolaj Niebuhr Lambertsen, 2025. "Exploiting overconfidence: optimal contracts with heterogeneous beliefs," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 79(4), pages 1225-1254, June.
    • Handle: RePEc:spr:joecth:v:79:y:2025:i:4:d:10.1007_s00199-024-01626-0
    DOI: 10.1007/s00199-024-01626-0
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    References listed on IDEAS

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    More about this item

    Keywords

    Heterogeneous beliefs; Moral hazard; Overconfidence;
    All these keywords.

    JEL classification:

    • A12 - General Economics and Teaching - - General Economics - - - Relation of Economics to Other Disciplines
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D86 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Economics of Contract Law

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